Pile-plate combined structure for foundation pit supporting

Abstract

The utility model discloses a pile-plate combined structure for supporting a foundation pit. A pile plate body; the bottom of the left side of the pile plate body is fixedly connected with a fixing box. The top of the inner wall of the fixing box is fixedly connected with a supporting mechanism. The supporting mechanism comprises a hydraulic rod, a connecting block, a movable rod, a contact plate, a sliding block, a T-shaped frame, a sliding column and a C-shaped clamping plate, the top of the inner wall of the fixed box is fixedly connected with the hydraulic rod, the bottom of the hydraulic rod is fixedly connected with the connecting block, the left side of the connecting block is movably connected with the movable rod through a rotating shaft, and the bottom of the movable rod penetrates through the bottom of the fixed box and is fixedly connected with the contact plate. Through the arrangement of the supporting mechanism, the hydraulic rod can work to push the connecting block to move downwards, the connecting block moves downwards to enable the movable rod to rotate with the rotating shaft as the center, the movable rod is matched with the inclined opening to change the angle to move downwards, the movable rod moves downwards to enable the contact plate to make contact with the ground downwards, and then the fixing box supports the pile plate body so that the pile plate body can be combined and supported.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a pile-plate combined structure for foundation pit support. Background Art

[0002] Foundation pit support refers to the support, reinforcement and protection measures for the side walls and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. In the comparative case, the publication number is CN112195928A. The present invention discloses a pile-plate combination structure for foundation pit support. This combination structure includes prefabricated pipe piles and support members, wherein the prefabricated pipe piles include foundation piles and support plates, and the support plates are arranged on the side walls of the foundation piles; the support members include support rods, and the support rods are cooperatively connected between the foundation piles and the support plates; the sheet pile combination support structure in the present invention has 1) good anti-deformation effect, and the rigidity of the support structure is improved by changing the stress characteristics of the foundation pit support structure; 2) anti-pit bottom bulge, and the deformation of the foundation pit bottom is limited by changing the stress model of the foundation pit support structure; 3) low environmental pollution: less demand for polluting materials such as concrete and cement during construction, good construction environment, and low environmental pollution.

[0003] However, in the implementation of relevant technologies, it was found that the above-mentioned pile-plate combination structure for foundation pit support has the following problems: 1) By changing the stress characteristics of the foundation pit support structure, the stiffness of the support structure is improved; 2) Anti-pit bottom uplift, by changing the stress model of the foundation pit support structure, the deformation of the bottom of the foundation pit is limited. In the comparative case, the shape of the template is changed to achieve a better support effect, which increases the modeling cost and is inconvenient to use. Most of the existing foundation pit supports are simply constructed with steel pipe fences, which are prone to tilting and collapse, reducing the safety of the foundation pit support.

[0004] Therefore, it is necessary to redesign the foundation pit support to effectively prevent the problem of tilting and collapse, which is mostly caused by simple construction of steel pipe fences. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a pile-plate combination structure for foundation pit support, which has the advantages of combined support and solves the problem that most foundation pit supports are simply constructed with steel pipe fences, which are prone to tilting and collapse.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pile-plate combined structure for foundation pit support, comprising;

[0007] pile plate body;

[0008] A fixing box is fixedly connected to the bottom of the left side of the pile plate body, and a supporting mechanism is fixedly connected to the top of the inner wall of the fixing box;

[0009] The supporting mechanism includes a hydraulic rod, a connecting block, a movable rod, a contact plate, a slider, a T-frame, a sliding column and a C-shaped card plate. The top of the inner wall of the fixed box is fixedly connected to the hydraulic rod, the bottom of the hydraulic rod is fixedly connected to the connecting block, the left side of the connecting block is movably connected to the movable rod through a rotating shaft, the bottom of the movable rod passes through the bottom of the fixed box and is fixedly connected to the contact plate, the bottom of the contact plate contacts the ground, the front end and back end of the connecting block are fixedly connected to the slider, the front end of the slider is slidably connected to the front end of the inner wall of the fixed box, the front end and back end of the bottom of the inner wall of the fixed box are fixedly connected to the T-frame, the front end of the T-frame is slidably connected to the sliding column, the front end of the sliding column passes through the front end of the T-frame and is fixedly connected to the C-shaped card plate, and the front end of the C-shaped card plate is sleeved on the surface of the movable rod.

[0010] As a preferred embodiment of the present invention, sliding grooves are provided at the front end and the back end of the inner wall of the fixed box and at positions corresponding to the sliding block, and the sliding grooves are used in conjunction with the sliding block.

[0011] As a preferred embodiment of the present invention, an inclined opening is provided at the bottom of the inner wall of the fixed box and at a position corresponding to the movable rod, and the inclined opening is used in conjunction with the movable rod.

[0012] As a preferred embodiment of the present invention, a tension spring is fixedly connected to the right side of the inner wall of the T-shaped frame, and the left and right sides of the tension spring are respectively fixedly connected to the right side of the sliding column and the right side of the inner wall of the T-shaped frame, and the sliding column is used in conjunction with the tension spring.

[0013] As a preferred embodiment of the utility model, a reinforcement plate is fixedly connected to the left and right sides of the top of the inner wall of the fixed box, and the inner side of the reinforcement plate is used in conjunction with the hydraulic rod.

[0014] As a preferred embodiment of the present invention, the contact plate is made of steel, and the contact plate is used in conjunction with a movable rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model can make the hydraulic rod work to push the connecting block to move downward through the setting of the supporting mechanism. The connecting block moves downward to make the movable rod rotate around the rotating shaft and change the angle to move downward in coordination with the inclined mouth. The movable rod moves downward to make the contact plate contact the ground downward, and then the fixed box holds the pile plate body to make it a combined support. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 Left side sectional view of the middle fixed box structure;

[0019] Figure 3 For this utility model Figure 2 Right view of the middle T-frame structure;

[0020] Figure 4 For this utility model Figure 2 Stereoscopic diagram of the middle inclined mouth structure.

[0021] In the figure: 1. pile plate body; 2. fixed box; 3. support mechanism; 31. hydraulic rod; 32. connecting block; 33. movable rod; 34. contact plate; 35. slider; 36. T-frame; 37. slide column; 38. C-type clamping plate; 4. slide groove; 5. inclined mouth; 6. tension spring; 7. reinforcement plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 4 As shown, the utility model provides a pile-plate combined structure for foundation pit support, comprising:

[0024] Pile board body 1;

[0025] A fixing box 2 is fixedly connected to the bottom of the left side of the pile plate body 1, and a supporting mechanism 3 is fixedly connected to the top of the inner wall of the fixing box 2;

[0026] The supporting mechanism 3 includes a hydraulic rod 31, a connecting block 32, a movable rod 33, a contact plate 34, a slider 35, a T-frame 36, a sliding column 37 and a C-shaped card plate 38. The top of the inner wall of the fixed box 2 is fixedly connected with the hydraulic rod 31, the bottom of the hydraulic rod 31 is fixedly connected with the connecting block 32, the left side of the connecting block 32 is movably connected with the movable rod 33 through a rotating shaft, the bottom of the movable rod 33 passes through the bottom of the fixed box 2 and is fixedly connected with the contact plate 34, the bottom of the contact plate 34 contacts the ground, the front end and back end of the connecting block 32 are fixedly connected with the sliding column 35, the front end of the sliding column 35 is slidably connected to the front end of the inner wall of the fixed box 2, the front end and back end of the bottom of the inner wall of the fixed box 2 are fixedly connected with the T-frame 36, the front end of the T-frame 36 is slidably connected with the sliding column 37, the front end of the sliding column 37 passes through the front end of the T-frame 36 and is fixedly connected with the C-shaped card plate 38, and the front end of the C-shaped card plate 38 is sleeved on the surface of the movable rod 33.

[0027] refer to Figure 2 A slide groove 4 is provided at the front end and the back end of the inner wall of the fixed box 2 and corresponds to the position of the slider 35 , and the slide groove 4 is used in conjunction with the slider 35 .

[0028] As a technical optimization solution of the present invention, the slide 4 is provided to enable the slider 35 to move left and right inside the slide 4, and at the same time play a role of limiting, thereby avoiding the slider 35 from deviating during the movement.

[0029] refer to Figure 4 An inclined opening 5 is provided at the bottom of the inner wall of the fixed box 2 and corresponds to the position of the movable rod 33 , and the inclined opening 5 is used in conjunction with the movable rod 33 .

[0030] As a technical optimization solution of the utility model, the setting of the inclined mouth 5 can enable the movable rod 33 to pass through the inclined mouth 5 completely for mechanical transmission, thereby avoiding the phenomenon that the movable rod 33 is stuck at the inclined mouth 5 due to the narrow width of the inclined mouth 5.

[0031] refer to Figure 3 A tension spring 6 is fixedly connected to the right side of the inner wall of the T-shaped frame 36 , and the left and right sides of the tension spring 6 are respectively fixedly connected to the right side of the sliding column 37 and the right side of the inner wall of the T-shaped frame 36 , and the sliding column 37 is used in conjunction with the tension spring 6 .

[0032] As a technical optimization solution of the utility model, the tension spring 6 can assist the slide column 37 in working and play a role of reset buffer, thereby avoiding the vibration of the slide column 37 due to friction during movement.

[0033] refer to Figure 2 The left and right sides of the top of the inner wall of the fixed box 2 are fixedly connected with reinforcement plates 7, and the inner side of the reinforcement plates 7 is used in conjunction with the hydraulic rod 31.

[0034] As a technical optimization solution of the present invention, the reinforcement plate 7 can assist the hydraulic rod 31 in working and play a fixing role, thereby avoiding the hydraulic rod 31 from shaking during working.

[0035] refer to Figure 1 The contact plate 34 is made of steel and is used in conjunction with the movable rod 33 .

[0036] As a technical optimization solution of the present invention, the contact plate 34 can assist the movable rod 33 in working and increase the contact area, thereby avoiding poor supporting effect caused by too small contact area of ​​the contact plate 34.

[0037] The working principle and use process of the utility model are as follows: when in use, the pile plate body 1 is installed and the hydraulic rod 31 is started. The hydraulic rod 31 drives the connecting block 32 and the movable rod 33 to move synchronously downward. The movable rod 33 rotates around the rotating shaft and changes the angle in cooperation with the inclined mouth 5. The movable rod 33 tilts and drives the C-type clamping plate 38 and the sliding column 37 to move leftward. The movement of the sliding column 37 stretches the tension spring 6 and does work, and the C-type clamping plate 38 cooperates with the movement of the movable rod 33 to slide up and down. Finally, the movable rod 33 drives the contact plate 34 to contact the ground downward. The contact plate 34 cooperates with the movable rod 33 and the hydraulic rod 31 to improve the supporting effect of the fixed box 2 combined with the pile plate body 1.

[0038] To sum up: the pile-plate combination structure for foundation pit support, through the use of the pile-plate body 1, the fixed box 2, the support mechanism 3, the hydraulic rod 31, the connecting block 32, the movable rod 33, the contact plate 34, the slider 35, the T-frame 36, the sliding column 37 and the C-type clamping plate 38, solves the problem that most of the existing foundation pit supports are simply constructed with steel pipe fences, which are prone to tilting and collapse.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pile-plate composite structure for foundation pit support, characterized in that: include: Pile board body (1); A fixing box (2) is fixedly connected to the bottom of the left side of the pile plate body (1), and a supporting mechanism (3) is fixedly connected to the top of the inner wall of the fixing box (2); The support mechanism (3) comprises a hydraulic rod (31), a connecting block (32), a movable rod (33), a contact plate (34), a sliding block (35), a T-shaped frame (36), a sliding column (37) and a C-shaped card plate (38); the top of the inner wall of the fixed box (2) is fixedly connected with the hydraulic rod (31); the bottom of the hydraulic rod (31) is fixedly connected with the connecting block (32); the left side of the connecting block (32) is movably connected with the movable rod (33) via a rotating shaft; the bottom of the movable rod (33) passes through the bottom of the fixed box (2) and is fixedly connected with the contact plate (34); The bottom of the contact plate (34) contacts the ground, the front end and the back end of the connecting block (32) are fixedly connected with a slider (35), the front end of the slider (35) is slidably connected with the front end of the inner wall of the fixed box (2), the front end and the back end of the bottom of the inner wall of the fixed box (2) are fixedly connected with a T-shaped frame (36), the front end of the T-shaped frame (36) is slidably connected with a sliding column (37), the front end of the sliding column (37) passes through the front end of the T-shaped frame (36) and is fixedly connected with a C-shaped card plate (38), and the front end of the C-shaped card plate (38) is sleeved on the surface of the movable rod (33).

2. The pile-plate combined structure for foundation pit support according to claim 1, characterized in that: Slide grooves (4) are provided at the front end and the back end of the inner wall of the fixed box (2) and at positions corresponding to the slide block (35). The slide grooves (4) are used in conjunction with the slide block (35).

3. The pile-plate combined structure for foundation pit support according to claim 1, characterized in that: An inclined opening (5) is provided at the bottom of the inner wall of the fixed box (2) and at a position corresponding to the movable rod (33). The inclined opening (5) is used in conjunction with the movable rod (33).

4. The pile-plate combined structure for foundation pit support according to claim 1, characterized in that: A tension spring (6) is fixedly connected to the right side of the inner wall of the T-shaped frame (36), and the left and right sides of the tension spring (6) are respectively fixedly connected to the right side of the sliding column (37) and the right side of the inner wall of the T-shaped frame (36), and the sliding column (37) is used in conjunction with the tension spring (6).

5. The pile-plate combined structure for foundation pit support according to claim 1, characterized in that: The left and right sides of the top of the inner wall of the fixed box (2) are fixedly connected with reinforcement plates (7), and the inner side of the reinforcement plate (7) is used in conjunction with the hydraulic rod (31).

6. The pile-plate combined structure for foundation pit support according to claim 1, characterized in that: The contact plate (34) is made of steel and is used in conjunction with the movable rod (33).

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